Portion of a swivel elbow for a mask



FIG. 1 is a front view of a portion of a swivel elbow for a maskconnector assembly according to our design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear perspective view thereof.

Where included, broken lines showing environment or structure are forillustrative purposes only and form no part of the claimed design.

Where included, dotted lines show the transition between claimed andunclaimed subject matter and form no part of the claimed design.

The ornamental appearance for a portion of a swivel elbow for a mask, asshown and described.